<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn" %>

<%-- 将ContextPath存储到一个变量中 (根目录)方便调用
	String rootPath = request.getContextPath() --%>
<c:set value="${pageContext.request.contextPath }" var="rootPath"/>